Copolyimides having good solvent resistance, thermal stability and processability contain about 2-50 mole percent of structural units derived from a tetracarboxybiphenyl, in combination with other structural units typically derived from bisphenol A dianhydride.
具有良好耐溶剂性、热稳定性和可加工性的共聚
亚胺含有约 2-50 摩尔百分比的结构单元,这些结构单元源自四羧基
联苯,与通常源自双
酚 A 二酐的其他结构单元结合在一起。